GIA Diamond Essentials Final Exam 2023 with complete
solution
Value
The combination of the Four C's relates primarily to
0.200 gram
The metric carat equals
Facets
The small, flat, polished surfaces on a finished diamond are called
Most diamonds used in jewelry are
Carbon
Diamond is composed primarily of
Fancy cuts
Gem shapes and cutting styles other than the standard round brilliant are called
Blemishes
Clarity characteristics confined to the surface of a polished diamond are called
The term "point" in reference to weight is equal to
Hardness
A gemstone's resistance to scratching is known as its
A half carat of diamonds
On average, mine workers must process more than a ton of rock to recover
Fire
The flashes of color you see in a polished diamond are called
57 or 58 facets
A standard round brilliant-cut diamond has
Are mostly triangular or kite-shaped
The term brilliant cut is used for gemstones with facets that
More impact on a diamond's value
Compared to blemishes, inclusions normally have
Girdle
The three major parts of a polished diamond are crown, pavilion, and
Apparent clarity
Fracture filling can dramatically affect a diamond's
Knot
An included diamond crystal that reaches the surface of a cut diamond is called a
Loupe
The most convenient and inexpensive magnifier adequate for diamond grading is the
Bearding
Which of the following is a result of the bruting process?
SI1 or SI2
A diamond with "noticeable inclusions at 10X would receive which of the following clarity
grades?
Slightly included
You should tell your customers that the SI designation means
Plot
, A detailed map of a diamond, showing its clarity characteristics, is called a
Extra facets on the pavilion not visible face up
A diamond that's graded Flawless might still have
Inclusions
The general term for clarity characteristics within a diamond is
Natural
When part of the rough crystal's original surface is left on a fashioned diamond, it's
called a
Nature
One of the five factors that determine the overall effect of inclusions on clarity is
10X
The standard magnification used for clarity grading is
Clarity characteristics
In describing inclusions to customers, which of the following terms would probably be
best to use?
Feather
The general term for any break in a diamond is
Blemishes
Clarity characteristics limited to the surface of a diamond are called
Tone & saturation
To color grade a light yellow or brown diamond, graders compare it to a masterstone for
H
Which of the following GIA color grades indicates the greatest amount of yellow?
The most common color of fluorescence in gem-quality diamond is
A range of color
Each letter grade in the GIA Color Scale represents
D
On the GIA color scale, the top grade in the normal color range is
The most commonly encountered colors among colored diamonds are
Colorless to light yellow, brown, and gray
The normal color range of diamonds is
Red & purple
Which of the diamond colors listed here are the most rare?
M
Most consumers can easily see color beyond
Heat
Irradiated diamonds might change color when exposed to
Z
Which masterstone does the GIA Laboratory use to determine the point where a yellow
diamond transitions to the colored diamond grading scale?
Depth of color
The combination of tone & saturation that determines how noticeable a color is, is
known as
Rarity
The price differences between colorless diamonds and near-colorless diamonds are
due primarily to
solution
Value
The combination of the Four C's relates primarily to
0.200 gram
The metric carat equals
Facets
The small, flat, polished surfaces on a finished diamond are called
Most diamonds used in jewelry are
Carbon
Diamond is composed primarily of
Fancy cuts
Gem shapes and cutting styles other than the standard round brilliant are called
Blemishes
Clarity characteristics confined to the surface of a polished diamond are called
The term "point" in reference to weight is equal to
Hardness
A gemstone's resistance to scratching is known as its
A half carat of diamonds
On average, mine workers must process more than a ton of rock to recover
Fire
The flashes of color you see in a polished diamond are called
57 or 58 facets
A standard round brilliant-cut diamond has
Are mostly triangular or kite-shaped
The term brilliant cut is used for gemstones with facets that
More impact on a diamond's value
Compared to blemishes, inclusions normally have
Girdle
The three major parts of a polished diamond are crown, pavilion, and
Apparent clarity
Fracture filling can dramatically affect a diamond's
Knot
An included diamond crystal that reaches the surface of a cut diamond is called a
Loupe
The most convenient and inexpensive magnifier adequate for diamond grading is the
Bearding
Which of the following is a result of the bruting process?
SI1 or SI2
A diamond with "noticeable inclusions at 10X would receive which of the following clarity
grades?
Slightly included
You should tell your customers that the SI designation means
Plot
, A detailed map of a diamond, showing its clarity characteristics, is called a
Extra facets on the pavilion not visible face up
A diamond that's graded Flawless might still have
Inclusions
The general term for clarity characteristics within a diamond is
Natural
When part of the rough crystal's original surface is left on a fashioned diamond, it's
called a
Nature
One of the five factors that determine the overall effect of inclusions on clarity is
10X
The standard magnification used for clarity grading is
Clarity characteristics
In describing inclusions to customers, which of the following terms would probably be
best to use?
Feather
The general term for any break in a diamond is
Blemishes
Clarity characteristics limited to the surface of a diamond are called
Tone & saturation
To color grade a light yellow or brown diamond, graders compare it to a masterstone for
H
Which of the following GIA color grades indicates the greatest amount of yellow?
The most common color of fluorescence in gem-quality diamond is
A range of color
Each letter grade in the GIA Color Scale represents
D
On the GIA color scale, the top grade in the normal color range is
The most commonly encountered colors among colored diamonds are
Colorless to light yellow, brown, and gray
The normal color range of diamonds is
Red & purple
Which of the diamond colors listed here are the most rare?
M
Most consumers can easily see color beyond
Heat
Irradiated diamonds might change color when exposed to
Z
Which masterstone does the GIA Laboratory use to determine the point where a yellow
diamond transitions to the colored diamond grading scale?
Depth of color
The combination of tone & saturation that determines how noticeable a color is, is
known as
Rarity
The price differences between colorless diamonds and near-colorless diamonds are
due primarily to
